Aeronautical apparatus.



G. D. BURNEY.

AERONAUTIGAL APPARATUS.

APPLICATION FILED DEU.14,1912.

1,0?3567, Patented Sept. 16, 1913 2 SHEETS-811111111.

Wiinessas f l4;

a: AM J /M M fit I TZ MMAZ U. D. BURNER AERONMITICAL APPARATUS.

Axrmmvrlon FILED D2014, 1912.

2 SHEETS-SHEET 2.

7mm mm Patented Sept. 16, 1913.

CHARLES DENNISTON BURNEY, OIE KKLMESI'QM, .t'milhlttiielllltlt filtldlll,

Specification of Letters Patent.

Application filed December 14-, 1012.

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To all whom it may concern Be it known that I, Cniinnns DENNISTON Bonnier, a subject of the King of Great Britain and Ireland, residing at Dean Holme, Kihneston. Airesford, in the county of Plants, England, have invented new and useful Improvements in and in Connection with Aeronautical Apparatus oil? which the following is a specification.

This invention relates to aeronautical ap paratus and in particular to aeronautical machines intended to ascend from or alight upon water and has for its object to increase the efliciency and enhance the safety of such inacllines; a further object being to obviate the necessity for employing supporting bodies of the float or punt type which are liable to injury with consequent loss of buoyancy ot' the apparatus as a whole.

In the accompanying drawings. Figure l is a side elevation illustrating a lLYdIO-HOIO- nautical apparatus constructed according to my invention; Fig. 2 being a corresponding front elevation.

lVhen applying my invention. by way of example, to an apparatus of the heavierthan-air type, 't'urilished with laterally extending planes or wings for affording support during flight, I construct the fuselage of the apparatus as a water-tight boat-like structure A; and beneath the same, I arrange hydropeds B whercon are mounted suitably disposed hydroplanes o: the lat.- ter being arranged in step formation, that is to say, in different horizontal planes.

The hydropeds B are arranged obliquely with a considerable outward rake, as shown in Fig. 2, with the effect that the lifting force produced by the hydroplanes Z) carried by either of the hydropeds is communicated directly to the nacells or bodyportion of the apparatus through the hydroped concerned. Additional rigidity is imparted to the hydropeds by connecting them by means of a cross-tie b. Under-ties E connected to the hydropeds It at comparatively low points serve to insure the rigidity of the hydroped structure.

At a suitable point toward the tail of the apparatus, a vertical hydroped D furnished with hydroplanes (Z is also provided for use in imparting lift to that portion of the apparatus.

Adjacent to the lOWQ'l'h'mst hydroplanes 7;,

I arrange one or more propellers C, adapted for use in Water and capable of being driven from the main engine of the apparatus. As the latter, under the influence of these pro pcllers or ot the aerial propeller or propellers l", or of both, gathers speed. lift is imparted to it bv degrees: and finally. its whole weight becomes transferred from the hvdroplanes to the aertmlaucs as the machine is launched in flight.

By the construction above described, a favoral/le metacentric condition is attained and the stability of the apparatus when floating at rest or traveling at a low speed is considm'ably improved.

leiore alightiug upon Water, the waterpropellcrs (.3 are set in motion, with the ef tect that the lower portion of the apparatus is nm'iniained well in advance and the risk of. pique is obviated.

I claim 2- 1. A hydro-aeronautical machine. comprising a water-tight limit-like body, dependent and laterally diverging hydropeds directly allixed to said body and carrying water-pro pullers, and hydroplanes ovunted on said lrvdropcds.

2. A hydro-nerornmtical maoliine.c0mprising a w.-iter-tight boat-lil e body. dependent and laterally diverging hydropeds directly affixed to said body and connected by crossties, hydroplanes carried by said hydropeds, a propeller" for Working in air, and 'waten propellers arranged in crmiunction with by. droplanes to convert a portion of the longitudinal thrustcxertcd by said water propellers into lift exerted upon the apparatus.

A hydro-aeronautical macl1ine.coinprising a watertight boat-like body, dependent and laterally diverging hvdropeds directly atlixed to said body and connected by crossties, hydroplanes carried by said hydropeds, a propeller for working in air. and Waterpropellers mounted upon said hydropeds and arranged in conjunction with hydroplanes to convert a portion of the longitudinal thrust exerted by said Watenpropellers into lift exerted upon the apparatus 4. In a hydro-aeronautical machine, a body, dependent hydropeds on said body, hvdrtmlanes on said hvdropeds, said hydro-T pods diverging from their point of attachment to the body, and a cross-tie between said hydropeds producing a triangular structure wherein the hydl'opeds aiford each cross-tie connecting said hydropeds, and

other mutual support. undenties connected to the hydropeds at 5. In a hydro-aeronautical machine, a comparatively low points. body. aerial supporting surfaces attached '00 CHARLES DENNISTON BURNEY. said body, dependent hydropeds attached to Witnesses: I said body and diverging from their point of RGLAND Amsu'umo'r CLARK, attachment, hydroplanes on said hydropeds, CHARLES PACK. 

